West Thumb Geyser Basin - Yellowstone Lake (4083) West Thumb Geyser Basin (4097) West Thumb Geyser Basin - Yellowstone Lake (4082) West Thumb Geyser Basin compared to Yellowstone Ca… Yellowstone Lake from West Thumb Geyser Basin (1) Blue Funnel Spring (4096) Bluebell Pool (4074) Fishing Cone (4085) Seismograph Pool (4072) West Thumb Geyser Basin (4071) West Thumb Geyser Basin (4076) West Thumb Geyser Basin (4091) West Thumb Geyser Basin (4092) West Thumb Geyser Basin (4093) West Thumb Geyser Basin (4095) Seismograph Pool (1) Lake Yellowstone Hotel Lobby (4116) Coke Machine in Lake Yellowstone Hotel (4136) Lake Yellowstone Hotel (1) Lake Yellowstone Hotel Lobby (4117) Lake Yellowstone Hotel Lobby (4118) Yellow Bus at Lake Yellowstone Hotel (4119) Yellowstone Lake (1) Lake Yellowstone Hotel (4115) Lake Yellowstone Hotel (4124) Lake Yellowstone Hotel Urinals (4135) Lake Yellowstone Hotel (4137) Yellow Bus at Lake Yellowstone Hotel (4120) Yellow Bus at Lake Yellowstone Hotel (4121) Yellow Bus at Lake Yellowstone Hotel (4122) Yellow Bus at Lake Yellowstone Hotel (4123) Yellow Bus at Lake Yellowstone Hotel (4134) Coke Machine - Yellowstone Lake Lodge (4111) Yellowstone Lake Lodge (4098) Yellowstone Lake Lodge Urinals (4110) Yellowstone Lake Lodge Cafeteria (4103) Yellowstone Lake Lodge Cafeteria (4105) Yellowstone Lake Lodge Cafeteria (4106) Yellowstone Lake Lodge Cafeteria (4107) Yellowstone Lake Lodge Cafeteria Windows (4104) Yellowstone Lake Lodge Lobby (4100) Yellowstone Lake Lodge Lobby (4101) Yellowstone Lake Lodge Lobby (4102) Yellowstone Lake Lodge Lobby (4108) Yellowstone Lake Lodge Lobby (4109) Yellowstone Lake Lodge Lobby (4112) Yellowstone Lake Lodge Lobby (4113) Yellowstone Lake Lodge Lobby (4114) Yellowstone Lake Lodge View (4099) Dragon's Mouth Spring (1642) Dragon's Mouth Spring (4139) Dragon's Mouth Spring Visitors (4141) Mud Volcano Area (1641) Mud Volcano Area (4142) Dragon's Mouth Spring (4140) Dragon's Mouth Spring (4138) Sulfur Caldron (4143) Sulfur Caldron (4144) Sulfur Caldron pH Chart (4150) Sulfur Caldron (1) Bison in Hayden Valley (1647) Bison in Hayden Valley (1643) Bison in Hayden Valley (1644) Seismograph Pool (4073) Big Cone (4086) Abyss Pool (4094) West Thumb Geyser Basin - Yellowstone Lake (4087) West Thumb Geyser Basin (4070) Yellowstone Area Map (3736) Downstream From Grand Geyser (4019) Old Faithful Inn Lobby (2) Old Faithful Inn Lobby (1) Old Faithful Inn Lobby (3989) Old Faithful Inn Lobby (3987) Old Faithful Inn Lobby (3986) Old Faithful Inn Lobby (3985) Old Faithful Inn Lobby (3983) Old Faithful Inn Lobby (3982) Old Faithful Inn Lobby (3967) Old Faithful Inn Lobby (3966) Old Faithful Inn Lobby (3965) Old Faithful Inn Lobby Desk (59) Old Faithful Inn Lobby Desk (3952) Old Faithful Inn Lobby Desk (3945) Old Faithful Inn Lobby Desk (3937) Old Faithful Inn Lobby Ceiling (4357) Old Faithful Inn Lobby Ceiling (3964) Old Faithful Inn Lobby (4356) Old Faithful Inn Lobby Desk (3928) Old Faithful Inn Lobby Chairs (3981) Old Faithful Inn Lobby Graffiti (3961) Old Faithful Inn Lobby (3972) Old Faithful Inn Lobby (3971) Old Faithful Inn Lobby (3969) Old Faithful Inn Lobby (3968) Old Faithful Inn Lobby (3970) Old Faithful Inn Lobby (3950) Old Faithful Inn Lobby (3949) Old Faithful Inn Lobby (3948) Old Faithful Inn Lobby (3947) Old Faithful Inn Lobby (3940) Old Faithful Inn Lobby (3933) Old Faithful Inn Lobby (3932) Old Faithful Inn Lobby (3931) Old Faithful Inn Lobby (3930) Old Faithful Inn Lobby (3927) Old Faithful Inn Lobby (3926) Old Faithful Inn Lobby (3924) Old Faithful Inn Lobby (3963) Old Faithful Inn Lobby (3962) Old Faithful Inn Lobby (3960) Old Faithful Inn Lobby (3959) Old Faithful Inn Lobby (3954) Old Faithful Inn Lobby (3953) Old Faithful Inn Lobby (3938) Old Faithful Inn Lobby (3936) Old Faithful Inn Lobby (3935) Old Faithful Inn Lobby (3934) Old Faithful Inn Lobby (3923) Old Faithful Inn Lobby (3918) Old Faithful Inn Lobby (3921) Old Faithful Inn Porte-cochere (3941) Old Faithful Inn Corridor Ceiling (4358) Old Faithful Inn (3997) Old Faithful Inn (3996)